|
The Polystichum yunnanense belongs to the family Dryopteridaceae. It is an evergreen fern that is distributed from southwestern China to Burma, India, Afghanistan and Yemen. It grows in mountain forests and along mountain streams, and is 60 to 80 cm tall. The leaves are bipinnate compound, green, slightly shiny and papery. The leaf stalk is yellowish brown, 20 to 40 cm long and covered in brown scales. The sorus is arranged in a single row on both sides of the leaf veins. The indusium is irregularly serrated. In Chinese, it is called "雲南耳蕨" (yun nan er jue).
|